1. Banting and Best Department of Medical Research, University of Toronto, Toronto, ON M5S 3E1, Canada.
2. Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada.
3. Terrence Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada.
4. Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University, School of Medicine, St. Louis, MO 63108, USA.
5. Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA.
6. Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada.
7. Department of Pharmacy, University of Toronto, Toronto, ON M5S 3E1, Canada.
8. Biotechnology Research Institute, National Research Council of Canada, Montréal, QC H4P 2R2, Canada.
9. Department of Biology, McGill University, Montréal, QC H3A 1B1, Canada.
10. Department of Anatomy and Cell Biology, McGill University, Montréal, QC H3A 1B1, Canada.
11. Medical University Vienna, Christian Doppler Laboratory for Infection Biology, Max F. Perutz Laboratories, Campus Vienna Biocenter, A-1030 Vienna, Austria.
12. Department of Microbiology, University of Tennessee, Knoxville, TN 37996, USA.
13. Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA.